Quote:
Originally Posted by mike@x-ph.com
That's surprising to hear, the B58 is one of the rare engines which benefits from an open intake.
Per BMS, their intake adds 10 whp on the B58, I also worked with VM on their B58 build and they got the same exact results (+ 10 whp)
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Exactly, don't know if it's because im not tuned but i will hold onto it until i get the JB4 and try again. i think those dyno results are with the maps on the jb4. the Stock box restored all of the low end toque and throttle response, i wonder if the 21 ECU are tuned different with the maf sensor.